三相电路（three-phase circuit）是由三相电源（three-phase source）、三相负载和三相传输线路组成的电路。这种电路最基本的结构特点是具有一组或多组电源，每组电源由三个振幅相等、频率相同、彼此间相位差一样的正弦电源构成，且电源和负载采用特定的连接方式。三相电路在发电、输电、配电以及大功率用电设备等电力系统中应用广泛。
电机工程专业英语词汇翻译 ... 检验电路 circuit， testing 三相电路 circuit， three-phase 长途电路 circuit， toll ...
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... 傅立叶级数 Fourier series 三相电路 three-phautomotive service engineers circuit 三相电源 three-phautomotive service engineers source ...
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对称三相电路 symmetrical three-phase circuit ; symmetrical three phase circuit
三相电路功率 power of three-phase circuit
不对称三相电路 unsymmetrical three-phase circuit
三相电路实验 Three-Phase Circuit Experiment
非对称三相电路 unsymmetrical three-phase circuit
不平衡三相电路 unbalanced three-phase circuit
三相整流电路 phase circuit ; rectified three phase circuit ; three-phase rectifier circuit ; rectified three-phase circuit
三相短路电流 three-phase short-circuit current
三相电路的分析比单相电路难不了多少。
The analysis of three-phase circuits is little more difficult than that of single-phase circuit.
鉴于此，三相电路的研究分析并不比单相单路研究难多少。
Viewed in this light, it will be found that the analysis of three-phase circuit is little more difficult than that of single-phase circuits.
电力有源滤波器能动态补偿不对称三相电路的畸变电流、负序电流分量。
Active power filter can compensate current components which include distortion and negative sequence current components when it is used in unbalanced three-phase circuit.
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